When her children rushed into the house after school, Marlo raised her finger to her lips to indicate they should be quiet because she was on the phone. What function was this behavior serving?
A) reinforcing
B) complementing
C) substituting
D) contradicting

Question

Quizplus · Accepted Answer

Marlo's action of raising her finger to her lips substitutes for verbal communication, indicating the need for silence without speaking.

When Her Children Rushed into the House After School, Marlo